ENGINEERING THERMODYNAMICS QUIZ

100 N-m

1 × 106 N-m/s

1 N-m/s

1000 N-m/s

All of these

1.013 bar

760 mm of Hg

1013 × 102 N/m2

Doing some external work

Increasing the internal energy of gas

Increasing the internal energy of gas and also for doing some external work

None of these

cp - cv = R

cv/ cp =R

cv = R/ γ-1

Both (B) and (C)

A thermodynamic machine

A non-thermodynamic machine

A hypothetical machine whose operation would violate the laws of thermodynamics

A hypothetical machine

Any pressure

At a pressure greater than atmospheric pressure

At atmospheric pressure

Not possible

Heat exchange does not take place

All of these

There is no change of internal energy of steam

No work is done by expanding steam

1 kg of water

7 kg of water

8 kg of water

9 kg of water

Total volume to clearance volume

Total volume to swept volume

Swept volume to clearance volume

Swept volume to total volume

300 Nm

30 Nm

3000 Nm

300,000 Nm